نتایج جستجو برای: phenotype and genetic trends

تعداد نتایج: 16928332  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اصفهان 1389

implicit and unobserved errors and vulnerabilities issues usually arise in cryptographic protocols and especially in authentication protocols. this may enable an attacker to make serious damages to the desired system, such as having the access to or changing secret documents, interfering in bank transactions, having access to users’ accounts, or may be having the control all over the syste...

Journal: :علوم دامی ایران 0
مسعود شیرعلی حسن مهربانی یگانه

autoselection is a kind of natural selection, that occurs in reproductive traits by inequality of offspring generation and therefore by virtue of the nature of its genes transmission to next generations. in this study, the effects of autoselection on heritability and selection response in reproductive traits by using univariate stochastic computer simulation in artificial selected and unselecte...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شاهد - دانشکده هنر 1391

now-a-days graphic design plays a major role in influencing culture, society, business, and customers, in such a way that one could look upon every individual as a potential customer. graphic designers seek to identify customers needs and find an intelligent solution for them. correct identification and understanding of those needs is the first step towards achieving ones goals. marketing knowh...

Nemati, Shahram,

The sequencing of human genome leads to obtain an important data on genetic elements having   a crucial role in the molecular pathology of genetic disorders. This is the reason of introducing genetic tests to medical field. Genetic testing looks for changes at chromosomes, genes and protein level to detect heritable conditions for clinical purposes. Genetic tests used in routine practice are va...

آهنی آذری, مجتبی, حسنی, سعید, خان احمدی, علیرضا, علی ساقی, داود, نقویان, سکینه,

In this study, 5608 records of Kordi sheep body weights collected during 21 years (1990 to 2010) in Sheep Breeding Station of Shirvan were used to estimate genetic, phenotypic and environmental trends. Best linear unbiased predictions (BLUP) of breeding values were obtained by derivative free restricted maximum likelihood (DFREML) using univariate animal model. Genetic, phenotypic and environme...

Journal: :international journal of advanced biological and biomedical research 2014
hedayatollah roshanfekr

objective: estimation of genetic parameters for kleiber ratio (kr) and genetic trends for pre-weaning weights of arabi sheep has not been previously conducted.methods: data and pedigree information were collected at the khuzestan ramin agricultural and natural resources university, animal science research station, located in southwest iran, from 2001 to 2008. (co)variance components and corresp...

محمد علی طالبی, , محمد علی ادریس, , محمود وطن خواه, ,

In this study 5025 records from the Lori-Bakhtiari sheep stud were used to predict phenotypic, genetic and environmental change in ewe traits from 1989 to 2004. Best linear unbiased prediction (BLUP) of breeding values were estimated by Drivative Free Restricted Maximum Likelihood (DFREML) procedure using single and multi-trait animal model. Phenotypic, genetic and environmental trends were cal...

ژورنال: علوم آب و خاک 2007
محمد علی طالبی, , محمد علی ادریس, , محمود وطن خواه, ,

In this study 5025 records from the Lori-Bakhtiari sheep stud were used to predict phenotypic, genetic and environmental change in ewe traits from 1989 to 2004. Best linear unbiased prediction (BLUP) of breeding values were estimated by Drivative Free Restricted Maximum Likelihood (DFREML) procedure using single and multi-trait animal model. Phenotypic, genetic and environmental trends were cal...

Journal: :پژوهش های علوم دامی ایران 0
مهدی نافذ سعید زره داران سعید حسنی رحمت سمیعی

in the present study, to estimate genetic parameters and genetic and phenotypic trends in holstein dairy cows in the north of iran, the records from first lactation of 11398 collected from 1989 to 2006 were used. records were collected from 290 herds. productive traits were 305 day-2x adjusted milk and fat yield and reproductive traits were age at first calving, calving interval and dry days. g...

Journal: :علوم دامی ایران 0
محمد رزم کبیر اردشیر نجاتی جوارمی محمد مرادی شهر بابک امیر رشیدی محمد باقر صیاد نژاد

data related to holstein dairy cattle from 1987 to 2004 were obtained from animal breeding center of iran to estimate the genetic and phenotypic trends. variance components and genetic parameters of the first lactation records were estimated using restricted maximum likelihood method and aireml algorithm through matvec program. animal breeding values were predicted through multiple-trait animal...

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